Panasonic KX-TGF340B - Technical Descriptions; System Architecture and DECT Overview

8
KX-TGF340/KX-TGF342/KX-TGF343/KX-TGF344/KX-TGF345/KX-TGF372/KX-TGF373/KX-TGF374/KX-TGF375/KX-TG585/KX-TGFA30KX-TGF340/KX-TGF342/KX-TGF343/KX-TGF344/KX-TGF345/KX-TGF372/KX-TGF373/KX-TGF374/KX-TGF375/KX-TG585/KX-TGFA30
4 Technical Descriptions
4.1. Circuit Configuration of TGF34x/TGF37x Series Phones
TGF34x/TGF37x consists of DECT cordless telephone and Bluetooth Module.
Both voices of transmission and reception are transferred by PCM.
BBIC on DECT side controls the cordless telephone system, which makes control data communication with BT_IC on BT
Module in serial data.
DECT6.0
Bluetooth
Headset
Bluetooth Devices
Cellular Phone
(For Link to Cell
communication)
TGFA30
Handset
PSTN
DC
5.5V
BBIC
FLASH IC601
(TAM)
TEL I/F
POWER
QSPI FLASH
IC502
(Program)
Main PCB
Audio signal
(PCM)
Control/Data
Bluetooth Bluetooth
signal
(UART)
BT_Module
(IC721)
(IC501)
MIC
SPEAKER